1make: varmod-range.mk:43: Variable "" is undefined 2 while evaluating "${:range=5} != """ with value "1 2 3 4 5" 3make: varmod-range.mk:66: Invalid number "x}Rest" != "Rest"" for ':range' modifier 4 while evaluating "${:U:range=x}Rest" != "Rest"" with value "" 5make: varmod-range.mk:76: Unknown modifier ":x0" 6 while evaluating "${:U:range=0x0}Rest" != "Rest"" with value "1" 7make: varmod-range.mk:93: Unknown modifier ":rang" 8 while evaluating variable "a b c" with value "a b c" 9make: varmod-range.mk:101: Unknown modifier ":rango" 10 while evaluating variable "a b c" with value "a b c" 11make: varmod-range.mk:109: Unknown modifier ":ranger" 12 while evaluating variable "a b c" with value "a b c" 13make: Fatal errors encountered -- cannot continue 14make: stopped making "all" in unit-tests 15exit status 1 16